diff --git a/causet/Cargo.lock b/causet/Cargo.lock
index bce110b2..3ac22e29 100644
--- a/causet/Cargo.lock
+++ b/causet/Cargo.lock
@@ -227,9 +227,9 @@ checksum = "18a6dbe30758c9f83eb00cbea4ac95966305f5a7772f3f42ebfc7fc7eddbd8e1"
 
 [[package]]
 name = "openssl"
-version = "0.10.41"
+version = "0.10.55"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "618febf65336490dfcf20b73f885f5651a0c89c64c2d4a8c3662585a70bf5bd0"
+checksum = "345df152bc43501c5eb9e4654ff05f794effb78d4efe3d53abc158baddc0703d"
 dependencies = [
  "bitflags",
  "cfg-if",
@@ -253,11 +253,10 @@ dependencies = [
 
 [[package]]
 name = "openssl-sys"
-version = "0.9.75"
+version = "0.9.90"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e5f9bd0c2710541a3cda73d6f9ac4f1b240de4ae261065d309dbe73d9dceb42f"
+checksum = "374533b0e45f3a7ced10fcaeccca020e66656bc03dac384f852e4e5a7a8104a6"
 dependencies = [
- "autocfg",
  "cc",
  "libc",
  "pkg-config",